Seafloor Spreading

Seafloor Spreading

Thanks to a new technology called sonar, scientists discovered a vast mountain range extending through the Atlantic, Indian, and Pacific oceans called the mid-ocean ridges. What is sonar and why was this discovery so important? In this interactivity, you will learn how sonar was used to discover seafloor spreading. Click the player button to get started.

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Seafloor Spreading Review

Now that you have investigated seafloor spreading, check your knowledge. In this non-graded interactivity, read each question and select the correct response. Click SUBMIT to check your response. Click the player button to begin.